16923940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 39695040

約数和(自身を除く): 22771100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1789, 1892, 2365, 3578, 4730, 7156, 8945, 9460, 17890, 19679, 35780, 39358, 76927, 78716, 98395, 153854, 196790, 307708, 384635, 393580, 769270, 846197, 1538540, 1692394, 3384788, 4230985, 8461970, 16923940]

約数ペア:

[(1, 16923940), (2, 8461970), (4, 4230985), (5, 3384788), (10, 1692394), (11, 1538540), (20, 846197), (22, 769270), (43, 393580), (44, 384635), (55, 307708), (86, 196790), (110, 153854), (172, 98395), (215, 78716), (220, 76927), (430, 39358), (473, 35780), (860, 19679), (946, 17890), (1789, 9460), (1892, 8945), (2365, 7156), (3578, 4730)]